import Vue from 'vue'
import Router from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'
import Welcome from './components/Welcome.vue'
import Users from './components/user/Users.vue'
import Rights from './components/power/Rights.vue'
import Roles from './components/power/Roles.vue'
import Cate from './components/godds/Cate.vue'
import Params from './components/godds/Params.vue'
import List from './components/godds/List.vue'
import Add from './components/godds/Add.vue'
import Order from './components/order/Order.vue'
import Report from './components/report/Report.vue'


Vue.use(Router)

const router = new Router({
  routes: [
    {path: '/', redirect: '/login'},
    {path: '/login', component: Login },
    {path: '/home', component: Home, redirect: '/welcome',
    children: [
      {path: '/welcome', component: Welcome},
      {path: '/users', component: Users},
      {path: '/rights', component: Rights},
      {path: '/roles', component: Roles},
      {path: '/categories', component: Cate},
      {path: '/params', component: Params},
      {path:'/goods', component: List},
      {path: '/godds/add', component: Add},
      {path: '/orders', component: Order},
      {path: '/reports', component: Report}
    ] }
  
  ]
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
    // to 将要访问的路径
    // from 代表从哪个路径跳转而来
    // next 是一个函数， 表示放行
    //    next()  代表放行  next('/login')  强制跳转到某个页面
    if (to.path === '/login') return next();
    // 获取token
   const tokenStr = window.sessionStorage.getItem('token')
   if(!tokenStr) return next('/login')
   next()
})

export default router